Diversification
- This week in research: the machinery underneath the number
New finance research on the plumbing behind measured results: momentum from cash mechanics, shifting bond correlations, AI backtest bias, and defaults.
- This week in research: risk lives in the relationships, not the labels
New research on measuring portfolio risk from the inside: risk as internal covariance, rotating diversification, counting real factors, and honest uncertainty.
- This week in research: hundreds of factors, a handful of real bets
New finance research on what actually drives returns: hundreds of factors collapse to a few distinct forces, a global dividend premium, and the fat tails returns carry.
- This week in research: why portfolio risk won't sit still
New research on how portfolio risk actually behaves: long memory, switching volatility regimes, correlation-driven diversification, and the measured behavior gap.